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physics.optics2026
Enhanced abrupt autofocusing and depth-of-focus of circular Airy derivative beams via controlled asymmetry
Anita Kumari, Vishwa Pal
We demonstrate simultaneous enhancement of abrupt autofocusing and depth-of-focus (DOF) in circular Airy derivative beams through controlled asymmetry. The controlled asymmetry ena…
physics.optics2026
Spatially multiplexed concentric discrete optical vortices: Complex topological structures and unconventional rotational dynamics
Aditya Narayana Jena, Vishwa Pal
Precise control over the rotational dynamics of structured lights has become a defining objective in contemporary photonics. It plays a central role in governing the functional dis…